From the introduction: Welcome to The Unofficial Elder Scrolls Role-playing Game! Known as the UESRPG for short, this is a fan made role-playing game designed for play in the Elder Scrolls setting. This book is the Player Handbook, one of the three books that make up the core of the UESRPG. It contains rules for additional playable races, as well as advice for players seeking to flesh out or optimize their characters.